Intersil

ISL80101IR50Z-T

ISL80101IR50Z-T Description

The ISL80101IR50Z-T is a highly efficient linear regulator designed for a wide range of power management applications. Manufactured by Intersil, this device offers a fixed 5V output voltage with a maximum output current of 1A. It features a low quiescent current of 5 mA and a maximum supply current of 7 mA, making it suitable for applications where power efficiency is critical. The regulator operates with an input voltage range up to 6V and boasts a low dropout voltage of 0.212V at 1A, ensuring stable performance even under varying load conditions.

ISL80101IR50Z-T Features

• Low Quiescent Current: With a quiescent current of only 5 mA, the ISL80101IR50Z-T minimizes power consumption during standby, making it ideal for battery-powered devices.
• High PSRR: The regulator offers a high power supply rejection ratio (PSRR) of 65dB to 58dB across the frequency range of 120Hz to 1kHz, effectively filtering out noise from the input supply.
• Control Features: The ISL80101IR50Z-T includes enable, power good, and soft start features, providing enhanced control and flexibility in system design.
• Protection Features: Overcurrent and overtemperature protection ensure reliable operation and protect the device from damage under adverse conditions.
• Surface Mount Packaging: The device is available in a surface mount package, facilitating compact and efficient PCB design.
• ROHS3 Compliant: The ISL80101IR50Z-T meets the stringent environmental standards of ROHS3, ensuring compliance with global regulations.

ISL80101IR50Z-T Applications

The ISL80101IR50Z-T is well-suited for a variety of applications where a stable and efficient power supply is essential. Its low dropout voltage and high PSRR make it particularly useful in applications with tight voltage margins and noise-sensitive environments. Some specific use cases include:

• Consumer Electronics: Ideal for portable devices such as smartphones, tablets, and digital cameras, where power efficiency and low noise are critical.
• Industrial Equipment: Suitable for industrial control systems, sensors, and instrumentation where reliable power supply and noise reduction are required.
• Telecommunications: Applicable in base stations and communication equipment where stable power delivery and low quiescent current are necessary.
• Automotive Electronics: Perfect for automotive applications where the regulator can handle transient voltage spikes and maintain stable output.

Conclusion of ISL80101IR50Z-T

The ISL80101IR50Z-T is a robust and efficient linear regulator that offers a combination of low quiescent current, high PSRR, and comprehensive protection features. Its fixed 5V output and 1A current capability make it suitable for a wide range of applications, from consumer electronics to industrial systems. Despite being marked as obsolete, the ISL80101IR50Z-T remains a reliable choice for designers seeking a high-performance power management solution.